NYC-WTC_000201982

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: WC BOE Volume (liters): 1840 Lab Group #: 7203 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 16 Grid Opening Size: 0.01124 ClientSanmle^ 16 Area Examined: 0.04496 GRID BOX: Magnification: 20 000 GRID ID: Accelerating Voltage: TOO KeV # Grid Openings: 4 Analysis Date: 3/25/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type ■ Length ID of structure N or Y 'EDS (Nonadb ' < No F Bl C_ M >=05 p :>=5p Chrys Amphiboie Nonasb Ambig/ND No Coord <5p Elements)

2^^ / ’

S'

Struct = > 0,5g > 5:1 Aspect Ratio Grid acceptance:

Positive diffraction pattern properties conforming to <50% undissoived filter, overlapped or folded Totals <10% particulate coverage >50% coverage ate laboratory ide.ntification criteria observed least 20 unfolded or overlapped grid squares <5% F B C M ) >5p I : EDS spectrum conforming to laboratory holes or opaque areas i Identfication criteria ooserved < Chrysotile AMPHIBOLES i Amphibole F = Single Fiber : 1 Amosite 1 B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite' i Ambiguous :G = Cluster (>3 Intersecticns) Anthophyllite j Non-Asbestos Tremolite M= Matrix : Actinolite i Kon-ldentified NSD = No Structures Detected

CITY_21MC100_011275932

NYC-WTC_000201982